78520680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31159}}^1$

素因数の和:31183

約数の個数: 96

約数和(自身を含む): 291657600

約数和(自身を除く): 213136920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31159, 62318, 93477, 124636, 155795, 186954, 218113, 249272, 280431, 311590, 373908, 436226, 467385, 560862, 623180, 654339, 747816, 872452, 934770, 1090565, 1121724, 1246360, 1308678, 1402155, 1744904, 1869540, 1963017, 2181130, 2243448, 2617356, 2804310, 3271695, 3739080, 3926034, 4362260, 5234712, 5608620, 6543390, 7852068, 8724520, 9815085, 11217240, 13086780, 15704136, 19630170, 26173560, 39260340, 78520680]

約数ペア:

[(1, 78520680), (2, 39260340), (3, 26173560), (4, 19630170), (5, 15704136), (6, 13086780), (7, 11217240), (8, 9815085), (9, 8724520), (10, 7852068), (12, 6543390), (14, 5608620), (15, 5234712), (18, 4362260), (20, 3926034), (21, 3739080), (24, 3271695), (28, 2804310), (30, 2617356), (35, 2243448), (36, 2181130), (40, 1963017), (42, 1869540), (45, 1744904), (56, 1402155), (60, 1308678), (63, 1246360), (70, 1121724), (72, 1090565), (84, 934770), (90, 872452), (105, 747816), (120, 654339), (126, 623180), (140, 560862), (168, 467385), (180, 436226), (210, 373908), (252, 311590), (280, 280431), (315, 249272), (360, 218113), (420, 186954), (504, 155795), (630, 124636), (840, 93477), (1260, 62318), (2520, 31159)]